444121499 has 2 divisors, whose sum is σ = 444121500. Its totient is φ = 444121498.

The previous prime is 444121459. The next prime is 444121577. The reversal of 444121499 is 994121444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444121499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444121439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222060749 + 222060750.

It is an arithmetic number, because the mean of its divisors is an integer number (222060750).

Almost surely, 2^444121499 is an apocalyptic number.

444121499 is a deficient number, since it is larger than the sum of its proper divisors (1).

444121499 is an equidigital number, since it uses as much as digits as its factorization.

444121499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 444121499 is about 21074.1903521820. The cubic root of 444121499 is about 762.9579434559.

Subtracting 444121499 from its reverse (994121444), we obtain a palindrome (549999945).

The spelling of 444121499 in words is "four hundred forty-four million, one hundred twenty-one thousand, four hundred ninety-nine".